Hello

I've just completed the easter egg chain after approx 6-7 hours of playing. Now about 3 hours ago a video was posted showing the LAST step of the chain and even then it doesn't actually show you what you need to do. Me and a few team mates sussed it and I'm going to give you a text tutorial on EXACTLY what needs to be done!

Step 1:

Activate the power and start the Eclipse.

To do this you obviously need to work you way to the power room, once there switch it on and everybody head to the quick revive machine. There are 4 skulls on each wall, all pressed at the same time enable you to "time travel" into an eclipsed part of time with a giant meteor embedded into the pyramid where the Pack a Punch machine is.

Step 2:

You now need to go to the mine cart side, down the hill to the tunnel entrance and immediately behind you you will see a statue in the wall with another button, pressing this starts an old british chap explaining he is trapped.

Once this is done 2 sets of "paving slabs" or stones will appear on the ground near to the mine cart and on the opposite side of the wooden bridge past the mud zone.

This is basically like a game of "pairs" where you have to match the symbols on each side however if 2 people are standing on a pair of stones they will switch. So only TWO PEOPLE need to do this. Person one steps on a stone and calls out the picture, they step off it and person 2 on the opposite side runs across each of their stones trying to find the same pic. Once they have located both players step on the corresponding stone and they will dissapear. Rinse and repeat for all stones.

Step 3:

It should stay eclipse time head to the water slide, and have THREE people go down the slide and stand on the largest grate closest to where the mystery box spawns in this room, if three people stand on it and the fourth person comes down the slide it will trigger the next step.

Step 4:

You now need to have the new Wonder Weapon, you will need to Pack a Punch it as well so if you have the cash do it now! Immediately after you turn it back to eclipse mode once you've done the pressure plate a meteor which makes a farting sound will shoot through the sky towards the water fall, you need to go over to it and either shoot it down with a ray gun / grenade. When it's on the ground it's rather big so you need to shrink it. Once it's shrunk knife it into the slide, go down the slide with it and follow it up the geyser. It will land on top the spiked entrance. This is one of the "orbs" that are needed for the last stage.

Step 5:

Make it Eclipse and Go to the cave where the guy is and you should hear him coughing. Go into the tunnel and half way down there is a red valve that you can turn 4 times, do it. Basically a gas leak has started through the cave system you need to have a NAPALM ZOMBIE, stay clear of him and lead him through the cave system to burn off the gas. Once he's burned off the gas KEEP HIM ALIVE you will need him. Go back to the valve and press the lever next to it. This will stop the gas.

Step 6:

You need to keep the napalm zombie (as well as a crawler or two) and 2 players need to buy SPIKEMORES in the power room. You need to head to the tunnel across the wooden bridge and there are 4 HOLES in the wall on the left side (when running from the wooden bridge) they are quite small. You need to play a spikemore facing each one of these holes and lead the napalm zombie into them all, they will trigger and shoot a spike into the four holes once you have a spike in them all you now need to go to the end of the tunnel to the rock in the middle of the pool, on the opposite side of it is a loose brick which says "Do not hold x" Hold X to trigger the reservoir to empty.

Step 7:

Right now you need to make it eclipse again, once you do this there will be TWELVE symbol panels (like the floor ones you did) That appear on WALLS throughout the map. To my recollection they are located:
1 x power room
1 x underground near the stakeout
1 x leading into the power room on the side
approx 4x in the spawn (including in each of the spike traps)
and 2 x in the mine cart area (one is quite tricky to find it is on the wooden platform right next to the gong to the right)
1x across the mud section towards the jugg / speed cola machine next to the window.

Once you've got all 12 head to the minecart area and if you go to the window at the top of this section (temple type place) and look to the RIGHT in the woods there are a bunch of sticks setup like a teepee / trap type thing. Grenade it and this will trigger the next bit.

Step 8:

To the right of the mine cart on the table is a radio which will read out a few numbers these are 16, 1, 3, 4. This is the passcode for the next bit.

Step 9:

Next you need to make it eclipse mode again and head to the mud / quick sand section. Once there you will need to operate the 4 wheel dials on the wall in the correct order. First off is as you walk in from the spawn on the far wall to the RIGHT you need to have it showing the symbol which is similar to "[I." the one behind this needs to show a single dot "." Now go to the one again on the far wall but on the LEFT change it to the THREE dots "..." and the one behind it change it to the 4 dots "...." It'll now change back to day time.

Step 10:

Now at the bottom of the stairs near to the PaP on the right side dragon is a radio.

Step 11:

Ok this is the step that NOBODY was 100% certain on but your good pal Destroy knows the correct order for the last part - I should know as we spenty 4 HOURS on this bit...

Ok so there are 8 gongs on the top level of the map, 3 on the left side near to the mine cart, one in the spawn and 4 on the right side of the spike traps towards the mud. You need to knife them in this order:
FIRST ONE: Spawn
SECOND ONE: Mine Cart side at the BOTTOM near to the british dude / mud.
THIRD ONE: Immediately after the spikes towards the mud section.
FOURTH ONE: Across the mud next to the window on the right (not opposite the jug / speed cola machine)

Just to confirm these can be done in any order.

Now you will have ORANGE glowing Crystal /Orbs on the rooftops that show the Treyarch symbol. You need to hit FOUR of these in the correct order with the shrink ray. The order is..

FIRST: Standing at the bottom of the PaP steps you need to hit the one on the LEFT on top of the spikes,
SECOND: Go through the spikes towards the minecart and the one immediately infront of you
THIRD: Run towards the mud / quick sand and hit the one ONTOP of the mud (not the spikes it's further past it - run towards the jug / speed cola machine for a better view)
FOURTH: Run back to the spawn and hit the one on TOP OF THE SPIKES that lead towards the mud.

After hitting each one it will STAY Night time and let you shoot another, this lets you know you've got the right order, a orange light will bounce around them all and shrink the meteor.

Step 12:

Now you need to activate the Pack a Punch (it should still be eclipse mode) head up the stairs. One player will randomly be given the dynamite, walk up to the wall press X move back and the wall will blow up!

Whoever runs up to the meteor and picks it up gets all 7 perks and the meteor in their inventory! The achievement will pop - congrats

Here are the pics showing I've done it:

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